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GARY HOFFA

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FLUIDIZED BED BIOLOGICAL FILTER SYSTEM FOR FISH TANKS

08/376,928 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)

Filed Jan. 23, 1995

Examiner THEODORE GREEN

Class 210

Art Group 1308

Patent No. 5,527,455

Case Type Utility - 210/169000

Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362

Last Updated: 4 years, 5 months ago

Date	#	Transaction
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FLUIDIZED BED BIOLOGICAL FILTER SYSTEM FOR FISH TANKS

08/376,928 | U.S. Patent Application

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